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##
## Datastructures: GAP package providing common datastructures.
##
## Copyright (C) 2015-2017 The datastructures team.
## For list of the team members, please refer to the COPYRIGHT file.
##
## This package is licensed under the GPL 2 or later, please refer
## to the COPYRIGHT.md and LICENSE files for details.
##
InstallGlobalFunction(HashBasic, DATA_HASH_FUNC_RECURSIVE);
InstallGlobalFunction(Hash_PermGroup_Complete,
{G} -> DATA_HASH_FUNC_RECURSIVE(Set(GeneratorsSmallest(G))));
# This function assumes we have already calculated a stabilizer chain
# We find a small set of properties we can cheaply calculate from the
# stabilizer chain
InstallGlobalFunction(Hash_PermGroup_Fast,
{G} -> DATA_HASH_FUNC_RECURSIVE([Size(G), Transitivity(G), Set(Orbits(G), Set)]));
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